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AT series pneumatic conveying Roots blower


AT series pneumatic conveying Roots blower



● Impeller profile: unique three-blade CONCH profile, small air flow pulsation, high volumetric efficiency, high efficiency, energy saving, low noise and micro vibration;

● Transmission mode: belt, direct connection;

● Inlet and Outlet: Unique diamond-shaped inlet structure, smooth air intake;

● Gear: Five-level precision gear, high transmission accuracy, low noise;

● Oil tank: single / double oil tank structure is optional, flexible configuration;

● Cooling: air-cooled and water-cooled universal, can be switched conveniently;

● Body layout: traditional layout, compact dense structure


Main Specifications:

◆ Flow rate: 0.6 ~ 713.8m³ / min;

◆ Raising pressure: 9.8 ~ 98kPa;

◆ Applicable speed: 500 ~ 2000RPM;

◆ Water cooling switching temperature: 90 ℃ (corresponding to 58.8kPa pressure);


Special applications:

Note: Any complicated working conditions involving high altitude operation, low frequency operation, low density gas transportation (helium), etc., please contact with our technician team in advance


AT series pneumatic conveying Roots fan


Product description:

The main applications of Roots blowers in the pneumatic conveying industry include: chemical industry, grain conveying, desulfurization and ash conveying, cement industry, powder conveying, etc.

The main feature of pneumatic conveying conditions is that the blower starts and stops frequently, the instantaneous pressure is high, and there may be pipe blockage.

AT series pneumatic conveying Roots blower has stable quality, precise clerance control, and more power surplus of the whole machine, which can ensure the smooth start of the blower under high-pressure conditions and avoid pipe blockage; in the impact environment, the impeller clearance is stable and the whole machine Running smoothly.

Once the pipe blockage in pneumatic conveying occurs, it is easy to cause equipment accidents. An imported brand blower in the corn gluten meal transportation project of a grain group in Liaoning, due to insufficient equipment surplus power, the strength of the whole machine is limited, a pipe blockage occurs during long-distance transportation, causing the equipment to stop instantly, and a large amount of compressed gas in the pipeline The air spring effect, the rebound of the air column impact disintegration of the entire device.

During the transformation of the project, according to the material characteristics of corn gluten powder with high viscosity and easy settling, our company chose a leaf type with large air flow pulsation, and used high-strength products with low shaft power, large excess power, and no step design of the main shaft. Configuration, successfully achieve 500M horizontal distance, 30M head ultra-long distance transportation, and safe and stable operation to date.


AT series pneumatic conveying Roots fan

Fan site disintegrated by airflow


In the desulfurization and ash transportation industry, there is an instantaneous high pressure above 80kPa. In view of this working condition, the AT series pneumatic conveying fan is preset with a cooling air duct in the structural design, which can operate stably under the corresponding working condition without additional water cooling pipes, which simplifies product configuration and saves operating costs.

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